Board of Directors

R. John Fletcher

R. John Fletcher has served on the Board of Directors since March 2002. Mr. Fletcher is currently Chief Executive Officer of Fletcher Spaght, Inc. (FSI), a strategy consulting organization, which he founded in 1983, and Managing Director of Fletcher Spaght Ventures, a venture fund. Prior to FSI, Mr. Fletcher was a manager at the Boston Consulting Group. He has an MA in Finance from the Wharton School, University of Pennsylvania and an MBA from Southern Illinois University. Mr. Fletcher is a director of AutoImmune, Inc., a public biotechnology company developing orally administered pharmaceutical products; Axrelis Technologies, a semiconductor equipment company; and Panacos Pharmaceuticals Inc., a biotechnology company focused on therapeutic solutions for infectious disease.

David G. Blackburn

David G. Blackburn has served on the Board of Directors since December 2003. Mr. Blackburn has been a consultant since January 2001 with TRG Cardiovascular, a firm specializing in the development of joint venture opportunities, including heart hospitals and diagnostic centers. From 1995 to 2001, Mr. Blackburn was president of Arkansas Heart Hospital, an investor-owned hospital specializing in the diagnosis and treatment of heart disease. Prior to that, he served as a senior executive of several hospitals.

Anne Melissa Dowling

Ms. Dowling joined the board in 2009 and was most recently the Senior Vice President for Strategy of the US Insurance Group at MassMutual Financial Group (MMFG) during 2006 and 2007. In this role she determined the strategy for the insurance businesses (individual life, institutional insurance, disability income, long-term health care, structured settlements), identifying new markets for MassMutual to pursue, new businesses to enter and disposition of non-strategic businesses. From 1996 to 2006, she built the Large Corporate Markets Division, which served professional groups, employers and high net worth individuals and families with executive benefit program design, balance sheet management, benefit funding and advanced estate planning tools. Prior to the merger of MassMutual with Connecticut Mutual (CML) in 1996, Anne Melissa was the Chief Investment Officer at CML, where she was also responsible for the variable products lines: annuities, mutual funds and qualified pension products. She came to CML from Travelers, where she had established the International Investment department and was one of the two insurance General Account managers responsible for the top-down investment policy of these portfolios. Ms. Dowling is a Chartered Financial Analyst (CFA) and graduated from Columbia University School of Business with an MBA in Finance and from Amherst College with a dual degree in Fine Arts and French. She has served as a trustee of Amherst College, University of Connecticut Foundation and numerous other community organizations.

William C. Jennings

Mr. Jennings retired from PricewaterhouseCoopers, one of the largest accounting firms in the world, in 1999, where he served over 28 years, including two separate periods covering 21 years as a senior audit partner serving several of the firm's largest accounts and seven years developing and leading a risk management and internal control consulting practice. From 1985 to 1991, Mr. Jennings also held a senior administrative executive position at Shearson Lehman Brothers and served as chief financial officer at Bankers Trust Company. Mr. Jennings graduated with a Bachelor of Science degree from the University of Akron and also holds a Master of Business Administration degree from the University of Florida. He joined the board in 2009 and also serves on the boards of Silgan Holdings Inc., a leading manufacturer of consumer goods packaging products, and Axcelis Technologies, Inc., a leading provider of equipment and service for the semiconductor equipment industry.

Daniel A. Pelak

Mr. Pelak is Senior Advisor at Welsh, Carson, Anderson & Stowe. He has over twenty years of experience as a senior executive in the medical technology industry. Mr. Pelak was previously the Chief Executive Officer at InnerPulse, Inc., a privately held, early-stage cardiac medical device company. Before joining InnerPulse, he was the Chief Executive Officer of Closure Medical Corporation, a publicly traded global leader in the development and manufacture of biomaterial-based medical adhesives, until its acquisition by Johnson & Johnson in 2005. He began his industry career at Medtronic, Inc., where he spent more than two decades. His executive assignments there included Vice President of U.S. marketing, and, later in his career, the worldwide responsibility for three different operating divisions as the Vice President and General Manager. Mr. Pelak is currently the Chairman of K2M, Inc., and also serves on the board of the directors of the following corporations: Affinergy, Inc., InnerPulse, Inc., Vertos Medical Corp., and Mardil, Inc.

Joseph M. Ruggio, M.D.

Joseph M. Ruggio, M.D., has served as a director of the Company since February 1997. Dr. Ruggio is a practicing interventional cardiologist. Since June 1994, Dr. Ruggio has served as President and Chief Executive Officer of Pacific Cardiovascular Associates Medical Group, Inc., a large cardiovascular professional corporation. He also serves as Chairman and President of Via Vitae, a cardiovascular disease management company, which was founded in February 1996. Prior to that, Dr. Ruggio served as founder and Chairman of UltiMed, Inc., a cardiovascular medical services organization, which was founded in July 1995. From August 1985 to December 1995, he served as Chairman of the Department of Cardiology and Director of Invasive Interventional Cardiology for FHP, Inc. Dr. Ruggio serves on several committees of the American College of Cardiology as well as several medical advisory boards.

Maria Sainz

Maria Sainz was appointed to the Board of Directors in 2010. Ms. Sainz has served as President, CEO, and as a member of the board of directors of Concentric since April 2008. From February 2003 through July 2006, Ms. Sainz served as President of the Cardiac Surgery division of Guidant Corporation. From January 2001 through February 2003, Ms. Sainz served as Vice President, Global Marketing for the Vascular Intervention division of Guidant Corporation. From late 1998 through early 2001, Ms. Sainz served as Vice President of the Intermedics Cardiac Rhythm Management business of Guidant Corporation in Europe after the acquisition of Intermedics by Guidant. Prior to that Ms. Sainz held several sales and marketing assignments of increasing responsibility in Guidant’s European operations. Ms. Sainz received an M.A. in Languages from the University Complutense in Madrid, Spain and a Masters in International Management from the American Graduate School of International Management.

Craig M. Walker, M.D.

Craig M. Walker, M.D., has served as a director of the Company since December 2004. He is a practicing interventional cardiologist. Dr. Walker is the Founder, President and Medical Director of the Cardiovascular Institute of the South, a position he has held since August 1983; Medical Director of the CIS Cardiovascular Fellowship Training Program; Associate Clinical Professor of Medicine at Tulane University School of Medicine; and Medical Director of the Cardiac Catheterization Laboratory at Terrebonne General Medical Center.

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